From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-12.7 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,INCLUDES_CR_TRAILER,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 559E9C433DB for ; Fri, 29 Jan 2021 06:50:51 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id EE05164DFD for ; Fri, 29 Jan 2021 06:50:50 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230121AbhA2Guf (ORCPT ); Fri, 29 Jan 2021 01:50:35 -0500 Received: from mail.kernel.org ([198.145.29.99]:37470 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229463AbhA2Gud (ORCPT ); Fri, 29 Jan 2021 01:50:33 -0500 Received: by mail.kernel.org (Postfix) with ESMTPSA id 96EC864DD9; Fri, 29 Jan 2021 06:49:51 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1611902992; bh=MxLQ3fOy+T9I9LHcp7Ol4yyNUBceobxO+an6lTsHbe0=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=uagCQy5hZQmT0tl2oJOCSvS8LaGqw7xLqjw7NBPPOEPufrd1PB2GyTuNCmivpn0CZ Gsf/qxYO6JjdaeT5XpFMwi9NdOmazqEJci8n+xEe4zVuyIjvUpxbJRkMuGXs7exewt qJKzwHRpJ1x8L11Pq6LSxBI35i+glbcqKRSYH/CNzOMh2DT51OTJen+hQHDrTk3rc+ qziNKeqha0Y5RcbUWZaTn4YWYXHcayJha5UxeOdED9B1hYqYBtn71fj2ztShohcUXo 5RQxdDttcvMx4xLAo7ejwDoeenyvPOEznBu2UTaZ++i61NGjMixIP1Y8ditnNH7/di b0JysYArdGhXw== Date: Fri, 29 Jan 2021 14:49:46 +0800 From: Shawn Guo To: Russell King Cc: Li Yang , Rob Herring , linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org Subject: Re: [PATCH] arm64: dts: lx2160a-cex7: increase at8035 PHY gigabit Tw parameter Message-ID: <20210129064945.GF4356@dragon> References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.9.4 (2018-02-28) Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org On Fri, Jan 15, 2021 at 11:36:39PM +0000, Russell King wrote: > Increase the SmartEEE Tw parameter for Atheros PHYs to stop gigabit > links from sporadically dropping. Testing on this platform shows that > a value of 24 results in a stable link, whereas 23 or below has the > occasional drop. > > Tested with a Netgear GS116 unmanaged switch link partner with Cat 5e > cabling. > > Signed-off-by: Russell King Applied, thanks.